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Can a tongue camera reliably check blood flow? new study aims to find out

NCT ID NCT07397208

Knowledge-focused Sponsor: Medical University of Gdansk Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study checks if a special camera that looks at tiny blood vessels under the tongue can give consistent results. Researchers will measure 200 people—healthy volunteers and ICU patients—multiple times to see if the method is reliable. The goal is to improve how doctors monitor blood flow in serious illness.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 200 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Feb 2026

An estimate. Start dates often move.

Expected to finish

Feb 2029

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients hospitalized in the ICU at the University Clinical Center in Gdańsk, or healthy volunteers

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Group 1: Healthy Volunteers Inclusion Criteria: * ASA Physical Status I-II * Age 18-40 years Exclusion Criteria: * Chronic diseases * Chronic medication use * Pregnancy * Use of stimulants (caffeine, nicotine, alcohol) within 12 hours prior to the study * Lack of consent to participate Group 2: Patients Hospitalized in the ICU Inclusion Criteria: * Age \> 18 years * Hospitalization in the Intensive Care Unit (ICU) * Requirement for vasoactive drugs (minimum norepinephrine equivalent dose \>0.1μg/kg / min ) * Mechanical ventilation via an endotracheal tube Exclusion Criteria: * Head and craniofacial trauma * Pregnancy * Intensive fluid therapy (\>200ml/h) * Changes in vasoactive drug dosages within 30 minutes prior to study inclusion * Hypothermia (body temperature \<35.5 oC) * Fever (body temperature \>38.5oC)

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Conditions

The condition(s) this trial relates to.

Critical Illness

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Critical illness Healthy

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Medical University of Gdanks

    Gdansk, Poland

More trials for these conditions

Other studies related to the condition(s) this trial covers.